Betaan observer that is standing 12m from a stereo sound
βAn observer that is standing 12m from a stereo sound speaker perceives the sound level from the speaker to be 60 dβ. The decrease in the sound level in part a. is 10 dβ. What is the decrease in the physical intensity in watts/m2?
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betaan observer that is standing 12m from a stereo sound speaker perceives the sound level from the speaker to be 60
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